Consult with your doctor if you experience recurrent, sudden, severe dizziness or prolonged episodes of dizziness, faintness, lightheadedness or vertigo. 1  Definition. 2  Causes.
Dosage of castor oil for constipation relief. Castor oil is taken internally. According to Dr.Mercola and World Health Organization the castor oil intake should not prevail 0.7 mg/kg body weight per day. It is one tablespoon for adults and one teaspoon for children.
1 For cleaning the bowel before surgery or examining the colon (colonoscopy): The dose for adults and children over 12 is 15-60 mL of castor oil given 16 hours before the procedure. 2  For children age 2-11 years, 5-15 mL is typically used. 3  In children younger than 2 years, 1-5 mL is commonly used.